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_service:tar_git:initrd-helpers.changes
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_service:tar_git:initrd-helpers.spec
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_service:tar_git:initrd-helpers-0.1.7.tar.gz/factory-reset-external
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+#!/bin/sh
+#
+# External storage factory reset for Sailfish OS.
+#
+# Copyright (C) 2017 Jolla Ltd.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; version 2
+# of the License.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+# Parameters:
+# $@ -> Device paths of partitions to reformat.
+
+format_script()
+{
+cat << 'EOF'
+#!/bin/sh
+
+function log
+{
+ echo "$0: $1" > /dev/kmsg
+}
+
+for device in $@; do
+ unset TYPE
+ unset LABEL
+ unset UUID
+
+ if [ ! -e "$device" ]; then
+ continue
+ fi
+
+ partitionname=$( basename $device )
+ partitionblock=$( readlink -f /sys/class/block/$partitionname )
+
+ if [ ! -e "$partitionblock" ]; then
+ continue
+ fi
+
+ deviceblock=$( dirname "$partitionblock" )
+
+ if ! grep -Fxq SD $deviceblock/device/type; then
+ log "$device is not an SD-card! Skipping"
+ continue
+ fi
+
+ eval "$(/sbin/blkid -c /dev/null -o export $device)"
+
+ case "$TYPE" in
+ vfat)
+ format_command=/sbin/mkfs.vfat
+ format_arguments=()
+ if [ ! -z "$UUID" ]; then
+ format_arguments=( "${format_arguments[@]}" -i "${UUID//-}" )
+ fi
+ if [ ! -z "$LABEL" ]; then
+ format_arguments=( "${format_arguments[@]}" -n "${LABEL}" )
+ fi
+ ;;
+ ext4)
+ format_command=/sbin/mkfs.ext4
+ format_arguments=( -F -E root_owner=100000:100000 )
+ if [ ! -z "$UUID" ]; then
+ format_arguments=( "${format_arguments[@]}" -U "${UUID}" )
+ fi
+ if [ ! -z "$LABEL" ]; then
+ format_arguments=( "${format_arguments[@]}" -L "${LABEL}")
+ fi
+ ;;
+ *)
+ if [ -z "$TYPE" ]; then
+ continue
+ fi
+
+ format_command=
+ format_arguments=
+ ;;
+ esac
+
+ if [ -f $format_command ]; then
+ log "Formatting $device as $TYPE"
+
+ if test "$SAILFISHOS_WIPE_PARTITIONS" = "1"; then
+ dd if=/dev/zero of=$device bs=1M
+ fi
+
+ echo $format_command "${format_arguments[@]}" $device
+ $format_command "${format_arguments[@]}" $device || log "Failed to format $device"
+ else
+ TEMPMOUNT=$(mktemp -d)
+
+ if mount $device $TEMPMOUNT; then
+ log "Erasing data from $device"
+
+ find $TEMPMOUNT -mindepth 1 -delete
+
+ if test "$SAILFISHOS_WIPE_PARTITIONS" = "1"; then
+ dd if=/dev/zero of=$TEMPMOUNT/large
+ rm -f $TEMPMOUNT/large
+ fi
+
+ umount $TEMPMOUNT
+ else
+ log "Failed to mount $device to erase data"
+
+ if test "$SAILFISHOS_WIPE_PARTITIONS" = "1"; then
+ log "Erasing partition"
+ dd if=/dev/zero of=$device
+ fi
+ fi
+
+ rmdir $TEMPMOUNT
+ fi
+done
+EOF
+}
+
+# Format devices from the rootfs where there is a full shell and more file-system tools.
+TEMPMOUNT=$(mktemp -d)
+if mount /dev/sailfish/root $TEMPMOUNT; then
+ mount -t tmpfs tmpfs $TEMPMOUNT/tmp
+ mount -t devtmpfs devtmpfs $TEMPMOUNT/dev
+ mount -t proc proc $TEMPMOUNT/proc
+ mount -t sysfs sys $TEMPMOUNT/sys
+ format_script > $TEMPMOUNT/tmp/format-devices
+ chmod 755 $TEMPMOUNT/tmp/format-devices
+ chroot $TEMPMOUNT /tmp/format-devices $@
+ umount $TEMPMOUNT/tmp $TEMPMOUNT/dev $TEMPMOUNT/proc $TEMPMOUNT/sys
+
+ # Clean up
+ umount $TEMPMOUNT
+else
+ echo "$0: Failed to mount rootfs" > /dev/kmsg
+ if test "$SAILFISH_WIPE_PARTITIONS" = "$1"; then
+ for device in $@; do
+ dd if=/dev/zero of=$device
+ done
+ fi
+fi
+rmdir $TEMPMOUNT
+
|
